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Study on Automobile Emissions Test
Author: MaWenZhong
Tutor: WangYinYan；LiuMing
School: Harbin Engineering University
Course: Power Engineering
Keywords: Euro III standards Test Procedure Emission characteristics Ignition timing AFR
CLC: U467.19
Type: Master's thesis
Year: 2006
Downloads: 148
Quote: 0
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Abstract
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China in 2005 released the GB18352.3-2005 \The third stage of emission standards equivalent to Euro Ⅲ emission standards. In order to meet the new emission standards , and strive to put my company car emission control within the limits of national standards , the preparation of Euro Ⅲ standard needed under normal temperature \Therefore, this article focuses on the Euro Ⅲ standard room temperature \As in the daily process of scientific research and experiments , emission devices are often some failures , affecting research and development progress. Based on the factors affecting the accuracy of emission analysis equipment , and past experience, the question of how to improve emission test precision equipment for scientific research and experiments to remove the obstacles . Affect vehicle emissions are very complicated . In this paper, the use of existing equipment , gasoline engines in various steady-state conditions , the measured air-fuel ratio and ignition advance angle different run-time conditions of the gasoline engine exhaust carbon monoxide (CO), hydrocarbons (HC) , nitrogen oxides (NO_x) emission characteristics . Through test results to analyze various operating parameters on the gasoline engine exhaust emissions characteristics of relations for the integrated and match the operating parameters to achieve lower emission gasoline engine foundation .
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CLC: > Transportation > Road transport > Automotive Engineering > Vehicle test > Vehicle test > Other vehicle test
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